package com.anuyun.ms.base.config;

import java.util.ArrayList;
import java.util.List;

import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import com.anuyun.ms.base.constant.TimeConstant;

/**
 * http消息转换器配置
 * @author yufeng
 *
 */
@Configuration
public class HttpMessageConverterConfig {
	/**
	 * 配置FastJson为默认json转换器
	 * 
	 * @return
	 */
	@Bean
	public HttpMessageConverters fastJsonHttpMessageConverters() {
		// 1.定义一个converters转换消息的对象
		FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
		
		// 2.添加fastjson的配置信息，比如: 是否需要格式化返回的json数据
		FastJsonConfig fastJsonConfig = new FastJsonConfig();
		JSON.DEFFAULT_DATE_FORMAT = TimeConstant.TIME_FORMAT;
		fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat,SerializerFeature.WriteDateUseDateFormat);
		
		// 3.在converter中添加配置信息
		fastConverter.setFastJsonConfig(fastJsonConfig);
		
		// 4.解决乱码问题
		List<MediaType> fastMediaTypes = new ArrayList<>();
        fastMediaTypes.add(MediaType.APPLICATION_JSON);
        fastConverter.setSupportedMediaTypes(fastMediaTypes);
        
        // 5.将converter赋值给HttpMessageConverter
        HttpMessageConverter<?> converter = fastConverter;

		// 6.返回HttpMessageConverters对象
		return new HttpMessageConverters(converter);
	}
}
